"My experience at the United Nations Security Council over the last five years has led me to see a harsh truth: The world is growing more dangerous and less predictable by the day. While the tectonic plates of power are shifting under our feet, driven in no small part by the combined effects of a technology revolution and the rise of China, we are also witnessing the return of heightened competition among the major powers.
We are now in a new world disorder. The three main safety mechanisms are no longer functioning: no more American power willing to be the last-resort enforcer of international order; no solid system of international governance; and, most troubling, no real concert of nations able to re-establish common ground.